gistfile1.cs

while (!targetUnit.IsDead()) {
  	actor.animation.Play("run");

	while (Vector3.Distance(actor.transform.position, target.transform.position) > actorUnit.attackRange) {
		actorUnit.MoveTo(target.transform.position);
		
		yield return null;
	}

	while (Vector3.Angle(actor.transform.forward, target.transform.position - actor.transform.position) > 10) {
		actorUnit.RotateToward(target.transform.position);
		
		yield return null;
	}
		
	actor.animation.Play("attack");
		
	yield return new WaitForSeconds(actorUnit.attackStartDelay * playbackRate);
	
	// Attack actually happen
	actorUnit.Attack(target);
		
	// Wait the rest of animation complete
	yield return new WaitForSeconds(attackAnim.length * playbackRate - actorUnit.attackStartDelay * playbackRate);
	actor.animation.Play("idle");
}